<script setup>
import {getCategoryFilterAPI,getSubCategoryAPI} from '@/apis/category'
import {useRoute} from 'vue-router'
import {onMounted, ref} from 'vue'
import GoodsItem from '../home/components/GoodsItem.vue'
const route = useRoute()

const categoryData = ref({})
// 获取基础列表数据渲染
const goodList = ref([])
const reqData = ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: 'publishTime'
})
   
const getGoodList = async () => {
  const res = await getSubCategoryAPI(reqData.value)
  goodList.value = res.data.result.items
}
const getCategoryFilter = (id) =>{
  getCategoryFilterAPI(id).then(res => {
    categoryData.value = res.data.result
    console.log(categoryData.value)
  })
}

const tabChange = () =>{
  reqData.value.page = 1
  getGoodList()
}

onMounted(() => {
  getCategoryFilter(route.params.id)
  getGoodList()
})


// 加载更多
const disabled = ref(false)
const load = async () => {
  console.log('加载更多数据咯')
  // 获取下一页的数据
  reqData.value.page++
  const res = await getSubCategoryAPI(reqData.value)
  goodList.value = [...goodList.value, ...res.result.items]
  // 加载完毕 停止监听
  if (res.result.items.length === 0) {
    disabled.value = true
  }
}
</script>
 
<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path:`/category/${categoryData.parentId}` }">{{categoryData.parentName}}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container" >
      <el-tabs v-model="reqData.sortField" @tab-change="tabChange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll = "load" :infinite-scroll-disabled = "disabled" >
         <!-- 商品列表-->
          <GoodsItem :goods="goodList" ></GoodsItem>
      </div>
    </div>
  </div>
 
</template>
 
 
 
<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}
 
.sub-container {
  padding: 20px 10px;
  background-color: #fff;
 
  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }
 
  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;
 
    img {
      width: 160px;
      height: 160px;
    }
 
    p {
      padding-top: 10px;
    }
 
    .name {
      font-size: 16px;
    }
 
    .desc {
      color: #999;
      height: 29px;
    }
 
    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }
 
  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }
 
 
}
</style>